CVE-2016-1631: Google Chrome

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

The PPB_Flash_MessageLoop_Impl::InternalRun function in content/renderer/pepper/ppb_flash_message_loop_impl.cc in the Pepper plugin in Google Chrome before 49.0.2623.75 mishandles nested message loops, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Affected products

• Google Chrome: up to and including 48.0.2564.116

Published 2016-03-06. Last modified 2026-06-17.